Manafa added that the life span of a cylinder is 15 years and when using a brand new cylinder, users have to calculate another 15 years for the usage.
Manafa gbakwụnyere na afọ ịdị mma nke silinda bụ afọ 15 na mgbe ị na-eji cylinder ọhụụ, ndị ọrụ ga-agbakọ afọ 15 ọzọ maka iji ya.